/usr/lib/python3.7/test/test_base64.py is in libpython3.7-testsuite 3.7.0~b3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 | import unittest
from test import support
import base64
import binascii
import os
from array import array
from test.support import script_helper
class LegacyBase64TestCase(unittest.TestCase):
# Legacy API is not as permissive as the modern API
def check_type_errors(self, f):
self.assertRaises(TypeError, f, "")
self.assertRaises(TypeError, f, [])
multidimensional = memoryview(b"1234").cast('B', (2, 2))
self.assertRaises(TypeError, f, multidimensional)
int_data = memoryview(b"1234").cast('I')
self.assertRaises(TypeError, f, int_data)
def test_encodestring_warns(self):
with self.assertWarns(DeprecationWarning):
base64.encodestring(b"www.python.org")
def test_decodestring_warns(self):
with self.assertWarns(DeprecationWarning):
base64.decodestring(b"d3d3LnB5dGhvbi5vcmc=\n")
def test_encodebytes(self):
eq = self.assertEqual
eq(base64.encodebytes(b"www.python.org"), b"d3d3LnB5dGhvbi5vcmc=\n")
eq(base64.encodebytes(b"a"), b"YQ==\n")
eq(base64.encodebytes(b"ab"), b"YWI=\n")
eq(base64.encodebytes(b"abc"), b"YWJj\n")
eq(base64.encodebytes(b""), b"")
eq(base64.encodebytes(b"abcdefghijklmnopqrstuvwxyz"
b"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
b"0123456789!@#0^&*();:<>,. []{}"),
b"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"
b"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT"
b"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n")
# Non-bytes
eq(base64.encodebytes(bytearray(b'abc')), b'YWJj\n')
eq(base64.encodebytes(memoryview(b'abc')), b'YWJj\n')
eq(base64.encodebytes(array('B', b'abc')), b'YWJj\n')
self.check_type_errors(base64.encodebytes)
def test_decodebytes(self):
eq = self.assertEqual
eq(base64.decodebytes(b"d3d3LnB5dGhvbi5vcmc=\n"), b"www.python.org")
eq(base64.decodebytes(b"YQ==\n"), b"a")
eq(base64.decodebytes(b"YWI=\n"), b"ab")
eq(base64.decodebytes(b"YWJj\n"), b"abc")
eq(base64.decodebytes(b"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"
b"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT"
b"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n"),
b"abcdefghijklmnopqrstuvwxyz"
b"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
b"0123456789!@#0^&*();:<>,. []{}")
eq(base64.decodebytes(b''), b'')
# Non-bytes
eq(base64.decodebytes(bytearray(b'YWJj\n')), b'abc')
eq(base64.decodebytes(memoryview(b'YWJj\n')), b'abc')
eq(base64.decodebytes(array('B', b'YWJj\n')), b'abc')
self.check_type_errors(base64.decodebytes)
def test_encode(self):
eq = self.assertEqual
from io import BytesIO, StringIO
infp = BytesIO(b'abcdefghijklmnopqrstuvwxyz'
b'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
b'0123456789!@#0^&*();:<>,. []{}')
outfp = BytesIO()
base64.encode(infp, outfp)
eq(outfp.getvalue(),
b'YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE'
b'RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT'
b'Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n')
# Non-binary files
self.assertRaises(TypeError, base64.encode, StringIO('abc'), BytesIO())
self.assertRaises(TypeError, base64.encode, BytesIO(b'abc'), StringIO())
self.assertRaises(TypeError, base64.encode, StringIO('abc'), StringIO())
def test_decode(self):
from io import BytesIO, StringIO
infp = BytesIO(b'd3d3LnB5dGhvbi5vcmc=')
outfp = BytesIO()
base64.decode(infp, outfp)
self.assertEqual(outfp.getvalue(), b'www.python.org')
# Non-binary files
self.assertRaises(TypeError, base64.encode, StringIO('YWJj\n'), BytesIO())
self.assertRaises(TypeError, base64.encode, BytesIO(b'YWJj\n'), StringIO())
self.assertRaises(TypeError, base64.encode, StringIO('YWJj\n'), StringIO())
class BaseXYTestCase(unittest.TestCase):
# Modern API completely ignores exported dimension and format data and
# treats any buffer as a stream of bytes
def check_encode_type_errors(self, f):
self.assertRaises(TypeError, f, "")
self.assertRaises(TypeError, f, [])
def check_decode_type_errors(self, f):
self.assertRaises(TypeError, f, [])
def check_other_types(self, f, bytes_data, expected):
eq = self.assertEqual
b = bytearray(bytes_data)
eq(f(b), expected)
# The bytearray wasn't mutated
eq(b, bytes_data)
eq(f(memoryview(bytes_data)), expected)
eq(f(array('B', bytes_data)), expected)
# XXX why is b64encode hardcoded here?
self.check_nonbyte_element_format(base64.b64encode, bytes_data)
self.check_multidimensional(base64.b64encode, bytes_data)
def check_multidimensional(self, f, data):
padding = b"\x00" if len(data) % 2 else b""
bytes_data = data + padding # Make sure cast works
shape = (len(bytes_data) // 2, 2)
multidimensional = memoryview(bytes_data).cast('B', shape)
self.assertEqual(f(multidimensional), f(bytes_data))
def check_nonbyte_element_format(self, f, data):
padding = b"\x00" * ((4 - len(data)) % 4)
bytes_data = data + padding # Make sure cast works
int_data = memoryview(bytes_data).cast('I')
self.assertEqual(f(int_data), f(bytes_data))
def test_b64encode(self):
eq = self.assertEqual
# Test default alphabet
eq(base64.b64encode(b"www.python.org"), b"d3d3LnB5dGhvbi5vcmc=")
eq(base64.b64encode(b'\x00'), b'AA==')
eq(base64.b64encode(b"a"), b"YQ==")
eq(base64.b64encode(b"ab"), b"YWI=")
eq(base64.b64encode(b"abc"), b"YWJj")
eq(base64.b64encode(b""), b"")
eq(base64.b64encode(b"abcdefghijklmnopqrstuvwxyz"
b"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
b"0123456789!@#0^&*();:<>,. []{}"),
b"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"
b"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0NT"
b"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==")
# Test with arbitrary alternative characters
eq(base64.b64encode(b'\xd3V\xbeo\xf7\x1d', altchars=b'*$'), b'01a*b$cd')
eq(base64.b64encode(b'\xd3V\xbeo\xf7\x1d', altchars=bytearray(b'*$')),
b'01a*b$cd')
eq(base64.b64encode(b'\xd3V\xbeo\xf7\x1d', altchars=memoryview(b'*$')),
b'01a*b$cd')
eq(base64.b64encode(b'\xd3V\xbeo\xf7\x1d', altchars=array('B', b'*$')),
b'01a*b$cd')
# Non-bytes
self.check_other_types(base64.b64encode, b'abcd', b'YWJjZA==')
self.check_encode_type_errors(base64.b64encode)
self.assertRaises(TypeError, base64.b64encode, b"", altchars="*$")
# Test standard alphabet
eq(base64.standard_b64encode(b"www.python.org"), b"d3d3LnB5dGhvbi5vcmc=")
eq(base64.standard_b64encode(b"a"), b"YQ==")
eq(base64.standard_b64encode(b"ab"), b"YWI=")
eq(base64.standard_b64encode(b"abc"), b"YWJj")
eq(base64.standard_b64encode(b""), b"")
eq(base64.standard_b64encode(b"abcdefghijklmnopqrstuvwxyz"
b"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
b"0123456789!@#0^&*();:<>,. []{}"),
b"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"
b"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0NT"
b"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==")
# Non-bytes
self.check_other_types(base64.standard_b64encode,
b'abcd', b'YWJjZA==')
self.check_encode_type_errors(base64.standard_b64encode)
# Test with 'URL safe' alternative characters
eq(base64.urlsafe_b64encode(b'\xd3V\xbeo\xf7\x1d'), b'01a-b_cd')
# Non-bytes
self.check_other_types(base64.urlsafe_b64encode,
b'\xd3V\xbeo\xf7\x1d', b'01a-b_cd')
self.check_encode_type_errors(base64.urlsafe_b64encode)
def test_b64decode(self):
eq = self.assertEqual
tests = {b"d3d3LnB5dGhvbi5vcmc=": b"www.python.org",
b'AA==': b'\x00',
b"YQ==": b"a",
b"YWI=": b"ab",
b"YWJj": b"abc",
b"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE"
b"RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT"
b"Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==":
b"abcdefghijklmnopqrstuvwxyz"
b"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
b"0123456789!@#0^&*();:<>,. []{}",
b'': b'',
}
for data, res in tests.items():
eq(base64.b64decode(data), res)
eq(base64.b64decode(data.decode('ascii')), res)
# Non-bytes
self.check_other_types(base64.b64decode, b"YWJj", b"abc")
self.check_decode_type_errors(base64.b64decode)
# Test with arbitrary alternative characters
tests_altchars = {(b'01a*b$cd', b'*$'): b'\xd3V\xbeo\xf7\x1d',
}
for (data, altchars), res in tests_altchars.items():
data_str = data.decode('ascii')
altchars_str = altchars.decode('ascii')
eq(base64.b64decode(data, altchars=altchars), res)
eq(base64.b64decode(data_str, altchars=altchars), res)
eq(base64.b64decode(data, altchars=altchars_str), res)
eq(base64.b64decode(data_str, altchars=altchars_str), res)
# Test standard alphabet
for data, res in tests.items():
eq(base64.standard_b64decode(data), res)
eq(base64.standard_b64decode(data.decode('ascii')), res)
# Non-bytes
self.check_other_types(base64.standard_b64decode, b"YWJj", b"abc")
self.check_decode_type_errors(base64.standard_b64decode)
# Test with 'URL safe' alternative characters
tests_urlsafe = {b'01a-b_cd': b'\xd3V\xbeo\xf7\x1d',
b'': b'',
}
for data, res in tests_urlsafe.items():
eq(base64.urlsafe_b64decode(data), res)
eq(base64.urlsafe_b64decode(data.decode('ascii')), res)
# Non-bytes
self.check_other_types(base64.urlsafe_b64decode, b'01a-b_cd',
b'\xd3V\xbeo\xf7\x1d')
self.check_decode_type_errors(base64.urlsafe_b64decode)
def test_b64decode_padding_error(self):
self.assertRaises(binascii.Error, base64.b64decode, b'abc')
self.assertRaises(binascii.Error, base64.b64decode, 'abc')
def test_b64decode_invalid_chars(self):
# issue 1466065: Test some invalid characters.
tests = ((b'%3d==', b'\xdd'),
(b'$3d==', b'\xdd'),
(b'[==', b''),
(b'YW]3=', b'am'),
(b'3{d==', b'\xdd'),
(b'3d}==', b'\xdd'),
(b'@@', b''),
(b'!', b''),
(b'YWJj\nYWI=', b'abcab'))
funcs = (
base64.b64decode,
base64.standard_b64decode,
base64.urlsafe_b64decode,
)
for bstr, res in tests:
for func in funcs:
with self.subTest(bstr=bstr, func=func):
self.assertEqual(func(bstr), res)
self.assertEqual(func(bstr.decode('ascii')), res)
with self.assertRaises(binascii.Error):
base64.b64decode(bstr, validate=True)
with self.assertRaises(binascii.Error):
base64.b64decode(bstr.decode('ascii'), validate=True)
# Normal alphabet characters not discarded when alternative given
res = b'\xFB\xEF\xBE\xFF\xFF\xFF'
self.assertEqual(base64.b64decode(b'++[[//]]', b'[]'), res)
self.assertEqual(base64.urlsafe_b64decode(b'++--//__'), res)
def test_b32encode(self):
eq = self.assertEqual
eq(base64.b32encode(b''), b'')
eq(base64.b32encode(b'\x00'), b'AA======')
eq(base64.b32encode(b'a'), b'ME======')
eq(base64.b32encode(b'ab'), b'MFRA====')
eq(base64.b32encode(b'abc'), b'MFRGG===')
eq(base64.b32encode(b'abcd'), b'MFRGGZA=')
eq(base64.b32encode(b'abcde'), b'MFRGGZDF')
# Non-bytes
self.check_other_types(base64.b32encode, b'abcd', b'MFRGGZA=')
self.check_encode_type_errors(base64.b32encode)
def test_b32decode(self):
eq = self.assertEqual
tests = {b'': b'',
b'AA======': b'\x00',
b'ME======': b'a',
b'MFRA====': b'ab',
b'MFRGG===': b'abc',
b'MFRGGZA=': b'abcd',
b'MFRGGZDF': b'abcde',
}
for data, res in tests.items():
eq(base64.b32decode(data), res)
eq(base64.b32decode(data.decode('ascii')), res)
# Non-bytes
self.check_other_types(base64.b32decode, b'MFRGG===', b"abc")
self.check_decode_type_errors(base64.b32decode)
def test_b32decode_casefold(self):
eq = self.assertEqual
tests = {b'': b'',
b'ME======': b'a',
b'MFRA====': b'ab',
b'MFRGG===': b'abc',
b'MFRGGZA=': b'abcd',
b'MFRGGZDF': b'abcde',
# Lower cases
b'me======': b'a',
b'mfra====': b'ab',
b'mfrgg===': b'abc',
b'mfrggza=': b'abcd',
b'mfrggzdf': b'abcde',
}
for data, res in tests.items():
eq(base64.b32decode(data, True), res)
eq(base64.b32decode(data.decode('ascii'), True), res)
self.assertRaises(binascii.Error, base64.b32decode, b'me======')
self.assertRaises(binascii.Error, base64.b32decode, 'me======')
# Mapping zero and one
eq(base64.b32decode(b'MLO23456'), b'b\xdd\xad\xf3\xbe')
eq(base64.b32decode('MLO23456'), b'b\xdd\xad\xf3\xbe')
map_tests = {(b'M1023456', b'L'): b'b\xdd\xad\xf3\xbe',
(b'M1023456', b'I'): b'b\x1d\xad\xf3\xbe',
}
for (data, map01), res in map_tests.items():
data_str = data.decode('ascii')
map01_str = map01.decode('ascii')
eq(base64.b32decode(data, map01=map01), res)
eq(base64.b32decode(data_str, map01=map01), res)
eq(base64.b32decode(data, map01=map01_str), res)
eq(base64.b32decode(data_str, map01=map01_str), res)
self.assertRaises(binascii.Error, base64.b32decode, data)
self.assertRaises(binascii.Error, base64.b32decode, data_str)
def test_b32decode_error(self):
for data in [b'abc', b'ABCDEF==', b'==ABCDEF']:
with self.assertRaises(binascii.Error):
base64.b32decode(data)
with self.assertRaises(binascii.Error):
base64.b32decode(data.decode('ascii'))
def test_b16encode(self):
eq = self.assertEqual
eq(base64.b16encode(b'\x01\x02\xab\xcd\xef'), b'0102ABCDEF')
eq(base64.b16encode(b'\x00'), b'00')
# Non-bytes
self.check_other_types(base64.b16encode, b'\x01\x02\xab\xcd\xef',
b'0102ABCDEF')
self.check_encode_type_errors(base64.b16encode)
def test_b16decode(self):
eq = self.assertEqual
eq(base64.b16decode(b'0102ABCDEF'), b'\x01\x02\xab\xcd\xef')
eq(base64.b16decode('0102ABCDEF'), b'\x01\x02\xab\xcd\xef')
eq(base64.b16decode(b'00'), b'\x00')
eq(base64.b16decode('00'), b'\x00')
# Lower case is not allowed without a flag
self.assertRaises(binascii.Error, base64.b16decode, b'0102abcdef')
self.assertRaises(binascii.Error, base64.b16decode, '0102abcdef')
# Case fold
eq(base64.b16decode(b'0102abcdef', True), b'\x01\x02\xab\xcd\xef')
eq(base64.b16decode('0102abcdef', True), b'\x01\x02\xab\xcd\xef')
# Non-bytes
self.check_other_types(base64.b16decode, b"0102ABCDEF",
b'\x01\x02\xab\xcd\xef')
self.check_decode_type_errors(base64.b16decode)
eq(base64.b16decode(bytearray(b"0102abcdef"), True),
b'\x01\x02\xab\xcd\xef')
eq(base64.b16decode(memoryview(b"0102abcdef"), True),
b'\x01\x02\xab\xcd\xef')
eq(base64.b16decode(array('B', b"0102abcdef"), True),
b'\x01\x02\xab\xcd\xef')
# Non-alphabet characters
self.assertRaises(binascii.Error, base64.b16decode, '0102AG')
# Incorrect "padding"
self.assertRaises(binascii.Error, base64.b16decode, '010')
def test_a85encode(self):
eq = self.assertEqual
tests = {
b'': b'',
b"www.python.org": b'GB\\6`E-ZP=Df.1GEb>',
bytes(range(255)): b"""!!*-'"9eu7#RLhG$k3[W&.oNg'GVB"(`=52*$$"""
b"""(B+<_pR,UFcb-n-Vr/1iJ-0JP==1c70M3&s#]4?Ykm5X@_(6q'R884cE"""
b"""H9MJ8X:f1+h<)lt#=BSg3>[:ZC?t!MSA7]@cBPD3sCi+'.E,fo>FEMbN"""
b"""G^4U^I!pHnJ:W<)KS>/9Ll%"IN/`jYOHG]iPa.Q$R$jD4S=Q7DTV8*TU"""
b"""nsrdW2ZetXKAY/Yd(L?['d?O\\@K2_]Y2%o^qmn*`5Ta:aN;TJbg"GZd"""
b"""*^:jeCE.%f\\,!5gtgiEi8N\\UjQ5OekiqBum-X60nF?)@o_%qPq"ad`"""
b"""r;HT""",
b"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
b"0123456789!@#0^&*();:<>,. []{}":
b'@:E_WAS,RgBkhF"D/O92EH6,BF`qtRH$VbC6UX@47n?3D92&&T'
b":Jand;cHat='/U/0JP==1c70M3&r-I,;<FN.OZ`-3]oSW/g+A(H[P",
b"no padding..": b'DJpY:@:Wn_DJ(RS',
b"zero compression\0\0\0\0": b'H=_,8+Cf>,E,oN2F(oQ1z',
b"zero compression\0\0\0": b'H=_,8+Cf>,E,oN2F(oQ1!!!!',
b"Boundary:\0\0\0\0": b'6>q!aA79M(3WK-[!!',
b"Space compr: ": b';fH/TAKYK$D/aMV+<VdL',
b'\xff': b'rr',
b'\xff'*2: b's8N',
b'\xff'*3: b's8W*',
b'\xff'*4: b's8W-!',
}
for data, res in tests.items():
eq(base64.a85encode(data), res, data)
eq(base64.a85encode(data, adobe=False), res, data)
eq(base64.a85encode(data, adobe=True), b'<~' + res + b'~>', data)
self.check_other_types(base64.a85encode, b"www.python.org",
b'GB\\6`E-ZP=Df.1GEb>')
self.assertRaises(TypeError, base64.a85encode, "")
eq(base64.a85encode(b"www.python.org", wrapcol=7, adobe=False),
b'GB\\6`E-\nZP=Df.1\nGEb>')
eq(base64.a85encode(b"\0\0\0\0www.python.org", wrapcol=7, adobe=False),
b'zGB\\6`E\n-ZP=Df.\n1GEb>')
eq(base64.a85encode(b"www.python.org", wrapcol=7, adobe=True),
b'<~GB\\6`\nE-ZP=Df\n.1GEb>\n~>')
eq(base64.a85encode(b' '*8, foldspaces=True, adobe=False), b'yy')
eq(base64.a85encode(b' '*7, foldspaces=True, adobe=False), b'y+<Vd')
eq(base64.a85encode(b' '*6, foldspaces=True, adobe=False), b'y+<U')
eq(base64.a85encode(b' '*5, foldspaces=True, adobe=False), b'y+9')
def test_b85encode(self):
eq = self.assertEqual
tests = {
b'': b'',
b'www.python.org': b'cXxL#aCvlSZ*DGca%T',
bytes(range(255)): b"""009C61O)~M2nh-c3=Iws5D^j+6crX17#SKH9337X"""
b"""AR!_nBqb&%C@Cr{EG;fCFflSSG&MFiI5|2yJUu=?KtV!7L`6nNNJ&ad"""
b"""OifNtP*GA-R8>}2SXo+ITwPvYU}0ioWMyV&XlZI|Y;A6DaB*^Tbai%j"""
b"""czJqze0_d@fPsR8goTEOh>41ejE#<ukdcy;l$Dm3n3<ZJoSmMZprN9p"""
b"""q@|{(sHv)}tgWuEu(7hUw6(UkxVgH!yuH4^z`?@9#Kp$P$jQpf%+1cv"""
b"""(9zP<)YaD4*xB0K+}+;a;Njxq<mKk)=;`X~?CtLF@bU8V^!4`l`1$(#"""
b"""{Qdp""",
b"""abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"""
b"""0123456789!@#0^&*();:<>,. []{}""":
b"""VPa!sWoBn+X=-b1ZEkOHadLBXb#`}nd3r%YLqtVJM@UIZOH55pPf$@("""
b"""Q&d$}S6EqEFflSSG&MFiI5{CeBQRbjDkv#CIy^osE+AW7dwl""",
b'no padding..': b'Zf_uPVPs@!Zf7no',
b'zero compression\x00\x00\x00\x00': b'dS!BNAY*TBaB^jHb7^mG00000',
b'zero compression\x00\x00\x00': b'dS!BNAY*TBaB^jHb7^mG0000',
b"""Boundary:\x00\x00\x00\x00""": b"""LT`0$WMOi7IsgCw00""",
b'Space compr: ': b'Q*dEpWgug3ZE$irARr(h',
b'\xff': b'{{',
b'\xff'*2: b'|Nj',
b'\xff'*3: b'|Ns9',
b'\xff'*4: b'|NsC0',
}
for data, res in tests.items():
eq(base64.b85encode(data), res)
self.check_other_types(base64.b85encode, b"www.python.org",
b'cXxL#aCvlSZ*DGca%T')
def test_a85decode(self):
eq = self.assertEqual
tests = {
b'': b'',
b'GB\\6`E-ZP=Df.1GEb>': b'www.python.org',
b"""! ! * -'"\n\t\t9eu\r\n7# RL\vhG$k3[W&.oNg'GVB"(`=52*$$"""
b"""(B+<_pR,UFcb-n-Vr/1iJ-0JP==1c70M3&s#]4?Ykm5X@_(6q'R884cE"""
b"""H9MJ8X:f1+h<)lt#=BSg3>[:ZC?t!MSA7]@cBPD3sCi+'.E,fo>FEMbN"""
b"""G^4U^I!pHnJ:W<)KS>/9Ll%"IN/`jYOHG]iPa.Q$R$jD4S=Q7DTV8*TU"""
b"""nsrdW2ZetXKAY/Yd(L?['d?O\\@K2_]Y2%o^qmn*`5Ta:aN;TJbg"GZd"""
b"""*^:jeCE.%f\\,!5gtgiEi8N\\UjQ5OekiqBum-X60nF?)@o_%qPq"ad`"""
b"""r;HT""": bytes(range(255)),
b"""@:E_WAS,RgBkhF"D/O92EH6,BF`qtRH$VbC6UX@47n?3D92&&T:Jand;c"""
b"""Hat='/U/0JP==1c70M3&r-I,;<FN.OZ`-3]oSW/g+A(H[P""":
b'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234'
b'56789!@#0^&*();:<>,. []{}',
b'DJpY:@:Wn_DJ(RS': b'no padding..',
b'H=_,8+Cf>,E,oN2F(oQ1z': b'zero compression\x00\x00\x00\x00',
b'H=_,8+Cf>,E,oN2F(oQ1!!!!': b'zero compression\x00\x00\x00',
b'6>q!aA79M(3WK-[!!': b"Boundary:\x00\x00\x00\x00",
b';fH/TAKYK$D/aMV+<VdL': b'Space compr: ',
b'rr': b'\xff',
b's8N': b'\xff'*2,
b's8W*': b'\xff'*3,
b's8W-!': b'\xff'*4,
}
for data, res in tests.items():
eq(base64.a85decode(data), res, data)
eq(base64.a85decode(data, adobe=False), res, data)
eq(base64.a85decode(data.decode("ascii"), adobe=False), res, data)
eq(base64.a85decode(b'<~' + data + b'~>', adobe=True), res, data)
eq(base64.a85decode(data + b'~>', adobe=True), res, data)
eq(base64.a85decode('<~%s~>' % data.decode("ascii"), adobe=True),
res, data)
eq(base64.a85decode(b'yy', foldspaces=True, adobe=False), b' '*8)
eq(base64.a85decode(b'y+<Vd', foldspaces=True, adobe=False), b' '*7)
eq(base64.a85decode(b'y+<U', foldspaces=True, adobe=False), b' '*6)
eq(base64.a85decode(b'y+9', foldspaces=True, adobe=False), b' '*5)
self.check_other_types(base64.a85decode, b'GB\\6`E-ZP=Df.1GEb>',
b"www.python.org")
def test_b85decode(self):
eq = self.assertEqual
tests = {
b'': b'',
b'cXxL#aCvlSZ*DGca%T': b'www.python.org',
b"""009C61O)~M2nh-c3=Iws5D^j+6crX17#SKH9337X"""
b"""AR!_nBqb&%C@Cr{EG;fCFflSSG&MFiI5|2yJUu=?KtV!7L`6nNNJ&ad"""
b"""OifNtP*GA-R8>}2SXo+ITwPvYU}0ioWMyV&XlZI|Y;A6DaB*^Tbai%j"""
b"""czJqze0_d@fPsR8goTEOh>41ejE#<ukdcy;l$Dm3n3<ZJoSmMZprN9p"""
b"""q@|{(sHv)}tgWuEu(7hUw6(UkxVgH!yuH4^z`?@9#Kp$P$jQpf%+1cv"""
b"""(9zP<)YaD4*xB0K+}+;a;Njxq<mKk)=;`X~?CtLF@bU8V^!4`l`1$(#"""
b"""{Qdp""": bytes(range(255)),
b"""VPa!sWoBn+X=-b1ZEkOHadLBXb#`}nd3r%YLqtVJM@UIZOH55pPf$@("""
b"""Q&d$}S6EqEFflSSG&MFiI5{CeBQRbjDkv#CIy^osE+AW7dwl""":
b"""abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"""
b"""0123456789!@#0^&*();:<>,. []{}""",
b'Zf_uPVPs@!Zf7no': b'no padding..',
b'dS!BNAY*TBaB^jHb7^mG00000': b'zero compression\x00\x00\x00\x00',
b'dS!BNAY*TBaB^jHb7^mG0000': b'zero compression\x00\x00\x00',
b"""LT`0$WMOi7IsgCw00""": b"""Boundary:\x00\x00\x00\x00""",
b'Q*dEpWgug3ZE$irARr(h': b'Space compr: ',
b'{{': b'\xff',
b'|Nj': b'\xff'*2,
b'|Ns9': b'\xff'*3,
b'|NsC0': b'\xff'*4,
}
for data, res in tests.items():
eq(base64.b85decode(data), res)
eq(base64.b85decode(data.decode("ascii")), res)
self.check_other_types(base64.b85decode, b'cXxL#aCvlSZ*DGca%T',
b"www.python.org")
def test_a85_padding(self):
eq = self.assertEqual
eq(base64.a85encode(b"x", pad=True), b'GQ7^D')
eq(base64.a85encode(b"xx", pad=True), b"G^'2g")
eq(base64.a85encode(b"xxx", pad=True), b'G^+H5')
eq(base64.a85encode(b"xxxx", pad=True), b'G^+IX')
eq(base64.a85encode(b"xxxxx", pad=True), b'G^+IXGQ7^D')
eq(base64.a85decode(b'GQ7^D'), b"x\x00\x00\x00")
eq(base64.a85decode(b"G^'2g"), b"xx\x00\x00")
eq(base64.a85decode(b'G^+H5'), b"xxx\x00")
eq(base64.a85decode(b'G^+IX'), b"xxxx")
eq(base64.a85decode(b'G^+IXGQ7^D'), b"xxxxx\x00\x00\x00")
def test_b85_padding(self):
eq = self.assertEqual
eq(base64.b85encode(b"x", pad=True), b'cmMzZ')
eq(base64.b85encode(b"xx", pad=True), b'cz6H+')
eq(base64.b85encode(b"xxx", pad=True), b'czAdK')
eq(base64.b85encode(b"xxxx", pad=True), b'czAet')
eq(base64.b85encode(b"xxxxx", pad=True), b'czAetcmMzZ')
eq(base64.b85decode(b'cmMzZ'), b"x\x00\x00\x00")
eq(base64.b85decode(b'cz6H+'), b"xx\x00\x00")
eq(base64.b85decode(b'czAdK'), b"xxx\x00")
eq(base64.b85decode(b'czAet'), b"xxxx")
eq(base64.b85decode(b'czAetcmMzZ'), b"xxxxx\x00\x00\x00")
def test_a85decode_errors(self):
illegal = (set(range(32)) | set(range(118, 256))) - set(b' \t\n\r\v')
for c in illegal:
with self.assertRaises(ValueError, msg=bytes([c])):
base64.a85decode(b'!!!!' + bytes([c]))
with self.assertRaises(ValueError, msg=bytes([c])):
base64.a85decode(b'!!!!' + bytes([c]), adobe=False)
with self.assertRaises(ValueError, msg=bytes([c])):
base64.a85decode(b'<~!!!!' + bytes([c]) + b'~>', adobe=True)
self.assertRaises(ValueError, base64.a85decode,
b"malformed", adobe=True)
self.assertRaises(ValueError, base64.a85decode,
b"<~still malformed", adobe=True)
# With adobe=False (the default), Adobe framing markers are disallowed
self.assertRaises(ValueError, base64.a85decode,
b"<~~>")
self.assertRaises(ValueError, base64.a85decode,
b"<~~>", adobe=False)
base64.a85decode(b"<~~>", adobe=True) # sanity check
self.assertRaises(ValueError, base64.a85decode,
b"abcx", adobe=False)
self.assertRaises(ValueError, base64.a85decode,
b"abcdey", adobe=False)
self.assertRaises(ValueError, base64.a85decode,
b"a b\nc", adobe=False, ignorechars=b"")
self.assertRaises(ValueError, base64.a85decode, b's', adobe=False)
self.assertRaises(ValueError, base64.a85decode, b's8', adobe=False)
self.assertRaises(ValueError, base64.a85decode, b's8W', adobe=False)
self.assertRaises(ValueError, base64.a85decode, b's8W-', adobe=False)
self.assertRaises(ValueError, base64.a85decode, b's8W-"', adobe=False)
def test_b85decode_errors(self):
illegal = list(range(33)) + \
list(b'"\',./:[\\]') + \
list(range(128, 256))
for c in illegal:
with self.assertRaises(ValueError, msg=bytes([c])):
base64.b85decode(b'0000' + bytes([c]))
self.assertRaises(ValueError, base64.b85decode, b'|')
self.assertRaises(ValueError, base64.b85decode, b'|N')
self.assertRaises(ValueError, base64.b85decode, b'|Ns')
self.assertRaises(ValueError, base64.b85decode, b'|NsC')
self.assertRaises(ValueError, base64.b85decode, b'|NsC1')
def test_decode_nonascii_str(self):
decode_funcs = (base64.b64decode,
base64.standard_b64decode,
base64.urlsafe_b64decode,
base64.b32decode,
base64.b16decode,
base64.b85decode,
base64.a85decode)
for f in decode_funcs:
self.assertRaises(ValueError, f, 'with non-ascii \xcb')
def test_ErrorHeritage(self):
self.assertTrue(issubclass(binascii.Error, ValueError))
class TestMain(unittest.TestCase):
def tearDown(self):
if os.path.exists(support.TESTFN):
os.unlink(support.TESTFN)
def get_output(self, *args):
return script_helper.assert_python_ok('-m', 'base64', *args).out
def test_encode_decode(self):
output = self.get_output('-t')
self.assertSequenceEqual(output.splitlines(), (
b"b'Aladdin:open sesame'",
br"b'QWxhZGRpbjpvcGVuIHNlc2FtZQ==\n'",
b"b'Aladdin:open sesame'",
))
def test_encode_file(self):
with open(support.TESTFN, 'wb') as fp:
fp.write(b'a\xffb\n')
output = self.get_output('-e', support.TESTFN)
self.assertEqual(output.rstrip(), b'Yf9iCg==')
def test_encode_from_stdin(self):
with script_helper.spawn_python('-m', 'base64', '-e') as proc:
out, err = proc.communicate(b'a\xffb\n')
self.assertEqual(out.rstrip(), b'Yf9iCg==')
self.assertIsNone(err)
def test_decode(self):
with open(support.TESTFN, 'wb') as fp:
fp.write(b'Yf9iCg==')
output = self.get_output('-d', support.TESTFN)
self.assertEqual(output.rstrip(), b'a\xffb')
if __name__ == '__main__':
unittest.main()
|